Campbell, M. M., Prata, N., & Potts, M. (2013). The impact of freedom on fertility decline. BMJ Publishing Group.
Citação norma ChicagoCampbell, Martha M., Ndola Prata, and Malcolm Potts. The Impact of Freedom On Fertility Decline. BMJ Publishing Group, 2013.
MLA引文Campbell, Martha M., Ndola Prata, and Malcolm Potts. The Impact of Freedom On Fertility Decline. BMJ Publishing Group, 2013.
警告:這些引文格式不一定是100%准確.